... systems Yuken MB of MBP-01,MBA-01,MBB-01,MBP-03,MBA-03,MBB-03 Hydraulic Modular Pressure Relief Valve1. Totally ... interchangeable with original2. For different kinds of hydraulic systems3. Nominal size:02,03,06 ... of warranty Yuken MB of MBP-01,MBA-01,MBB-01,MBP-03,MBA-03,MBB-03 Hydraulic Modular Pressure Relief Valve